| 摘要 |
A vibration isolation device (10) has an outer tube (11), an installation member (12), a rubber elastic section (13) for elastically interconnecting the outer tube (11) and the installation member (12), a main liquid chamber (16) having the rubber elastic section (13) as a part of separation walls for the main liquid chamber and in which liquid is sealed, a sub liquid chamber (17) in which liquid is sealed and having a diaphragm (14) formed as a part of separation walls for the sub liquid chamber, an orifice (19) for interconnecting the main liquid chamber (16) and the sub liquid chamber (17), a partition member (15) provided between the main liquid chamber (16) and the sub liquid chamber (17), and a movable plate (18) moving based on a pressure difference between the main liquid chamber (16) and the sub liquid chamber (17). The partition member (15) has a first partition plate (21) forming a part of the separation walls of the main liquid chamber (16) and a second partition plate (22) forming a part of the separation walls of the sub liquid chamber (17). The movable plate (18) is placed in a movable-plate receiving section between the first partition plate (21) and the second partition plate (22) that are arranged in a facing relationship. The first partition plate (21) and the second partition plate (22) are integrally formed with each other. In the vibration isolation device, generation of noise is suppressed. |
